Radiology.
D000368:Aged; D001466:Barium Sulfate; D004064:Digestive System / Q000000981:diagnostic imaging; D005194:Family Practice; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011860:Radiography, Abdominal; D013902:Radiography, Thoracic; D011871:Radiology; D012017:Referral and Consultation; D013131:Spine / Q000000981:diagnostic imaging; D014463:Ultrasonography; D006113:United Kingdom
D001466:Barium Sulfate